TY  - BOOK
AU  - Villegas, Bernardo M.
AU  - Victor A. Abola
TI  - Economics: an introduction
SN  - 971-117-224-0
U1  - Fil. 330 V714 4th ed.
PY  - 1992///
CY  - Manila
PB  - Sinag-tala Publishers, Inc.
KW  - Economics
ER  -